In the art room, Miss Wu and the little cripple are trying to figure out who the switch demon is. Miss Wu is afraid that she will be blamed for the death of Zhangyan, and she begs Miss Wu to tell her the truth. The little cripple is also afraid that Miss Wu will tell him the truth about his cousin's death, and he begs her to keep the secret. He also asks her to put some paint on the statues of mumu and zhangyan. He asks Miss Wu if she is trustworthy, and Miss Wu tells him that she is. She also asks him to put the paint on a plaster statue, which she has made. She tells him to tidy up the statues, and then she asks him if he is the one who said the wall noise. He tells her that it is easy for her to be blamed, because they didn't have a switch. He then tells her to calm down, because he has something to say.